Product Description
Float valve is one of necessary tool for oil drilling, it consists of float valve sub and float valve, The main function are to prevent drill cuttings come into mud when connecting each joint and the bit bore block caused by back flow of silt. When the well blowout or kick, the valve cover of float valve turn off the bore automatically, it will prevent well blowout accident. The working pressure of float valve is supposed to be 5000psi or 10000psi.
Product Parameter
Type | Dia. of Valve Assembly inch | Length of Valve Ass inch | Dia.of Float Recess inch | Sub Box | Other Popular Connections |
Copnection API | Depth of Recess inch | Connection API | Depth Of Recess inch |
1R | 12 1/32 | 5 7/8 | 1 11/16 | 2 3/8REG | 9 1/8 | NC23 | 9 1/8 |
2F-3R | 21 3/32 | 6 1/2 | 2 7/16 | 3 1/2REG | 10 1/2 | NC31 | 10 1/4 |
3 1/2 F | 3 1/8 | 10 | 3 5/32 |
|
| NC38 | 14 1/4 |
4R | 31 5/32 | 8 5/16 | 3 1/2 | 4 1/2REG | 12 13/16 | NC44 | 13 1/16 |
5R | 3 7/8 | 9 3/4 | 3 29/32 | 5 1/2REG | 14 3/4 | NC50 | 14 1/2 |
5F-6R | 4 25/32 | 1 13/4 | 4 13/16 | 6 5/8REG | 17 | 5 1/2IF | 17 |